V-273 PIMag Voice Coil Linear Actuator

A series of actuators based on PI Mag non-contacting voice-coil linear motor technology ensures greater dynamics and positioning accuracy. With low wear and high lifetime, different travel and force capabilities are available, in addition to custom-engineered solutions.

 

The V-273 automation actuator comes with a unique controller that reads the actuator's force and position sensors in parallel and seamlessly switches from closed-loop force control to position control, and vice versa. OEM and industrial applications with rigorous throughput and uptime requirements benefit greatly from these features. With force resolutions to the Milli-Newton range and 100-nm linear encoder resolution, the mechanism provides ultra-smooth action transitions.

 

Step size and frequency are variable and allow the user to control the desired speed and positioning resolution. The position sensor resolution of the new N-472 actuator is below one nanometer. PiezoMike products simplify the automated adjustment of mechanical and optomechanical components. The motion ranges from 0.3 to 1 in. are standard, as well as vacuum capability.

Mechanical PropertiesBearing/GuideRecirculating ball bearingMotion Straightness0.0008 in. (±20 µm)Moved Mass W/O Load3.5/8 oz. (100/230 g)Drive PropertiesMotor TypePIMag voice coil drive, moving coilCoil Resistance16 ?Coil Inductance6 mHTime Constant0.375 msBack EMF8V·s/mForce Constant8Motor Constant2 N/(?W)Current Constant0.125 A/NNominal Current375 (2) mAPeak Current800 mAAvg. Push/Pull Force3 NPower Dissipation of Coil2.25 WMax. Push/Pull Force6 NPermitted Temp. for Actuator Components140°FMiscellaneousOperating Temp. Range50 to 140°FMaterialAluminumMass1.5/1.7 lb.Cable LengthV-273.441: Force sensor cable: 3.2 ftMotor/Sensor ConnectorV-273.440: D-sub 15 (m)
V-273.441: 2 x D-sub 15 (m)Lifetime>107 cycles